Mo_safwan , via OnePlus 9R , Jun 11, 2021 : From yesterday onwards my type-c port started showing that my port has liquid or debris inside and after casually blowing it worked but today the same problem occurs again(Ps the phone had never been into pool or near water)
Swejuggalo , via OnePlus 9 Pro Stellar Black , Jun 11, 2021 : If blowing and using a soft brush don't help I suggest contacting support about your next step to a solution. www.oneplus.com/support